问题标题：
Whichsituationisanexampleofbivariatedata?以下有几个选项A.ThenumberofpizzasTanyaeatsduringheryearsinhighschoolB.ThenumberoftimesEzraputsairinhisbicycletiresduringthesummerC.ThenumberofhomerunsEliashitsperg
问题描述：
Whichsituationisanexampleofbivariatedata?以下有几个选项
A.ThenumberofpizzasTanyaeatsduringheryearsinhighschool
B.ThenumberoftimesEzraputsairinhisbicycletiresduringthesummer
C.ThenumberofhomerunsEliashitspergameandthenumberofhourshepracticesbaseball
D.ThenumberofhoursNelliestudiesforhermathematicstestsduringthefirsthalfofschoolyear
3Q...
韩立新回答：
bivariatedata是双变量数据,不是说取值只有两个（比如0,1）,而是说这种数据有两个数值,形如（x,y）.
所以我觉得是C,只有C在一项中描述了两种数字：全垒打次数和练习时间.
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